HydroBASINS lev08 watershed · #3080233320
Bassin de Ясачная
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Verkhnekolymskiy rayon
Sub-basin area
2 178,1km²
Upstream area
2 178,3km²
Discharge
12,79m³/s
Mean elev.
186m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 2192.5 km²100.0% of basin
1 intersecting protected areas
Bassejn YAsachnaya
IUCN VIResource Reserve
2023.77 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
16 distinct species · 19 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
-11,8°C
Annual rain
260mm
Moisture idx (CMI)
-0,42
Runoff
186mm/an
PET
454mm
AET
241mm
Mean slope
5,9°
Water table
95cm
Forest
57%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)